import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path(.*)',
        // path: '/redirect/:path*',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    name: 'Test',
    meta: {
      title: 'Test',
      icon: 'nested'
    },
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: 'Dashboard', icon: 'dashboard', affix: true }
    }]
  }
  // {
  //   path: '/example',
  //   component: Layout,
  //   redirect: '/example/table',
  //   name: 'Example',
  //   meta: { title: 'Example', icon: 'example' },
  //   children: [
  //     {
  //       path: 'table',
  //       name: 'Table',
  //       component: () => import('@/views/table/index'),
  //       meta: { title: 'Table', icon: 'table' }
  //     },
  //     {
  //       path: 'tree',
  //       name: 'Tree',
  //       component: () => import('@/views/tree/index'),
  //       meta: { title: 'Tree', icon: 'tree' }
  //     }
  //   ]
  // }

  // {
  //   path: '/form',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'index',
  //       name: 'Form',
  //       component: () => import('@/views/form/index'),
  //       meta: { title: 'Form', icon: 'form' }
  //     }
  //   ]
  // },

  // {
  //   path: '/nested',
  //   component: Layout,
  //   redirect: '/nested/menu1',
  //   name: 'Nested',
  //   meta: {
  //     title: 'Nested',
  //     icon: 'nested'
  //   },
  //   children: [
  //     {
  //       path: 'menu1',
  //       component: () => import('@/views/nested/menu1/index'), // Parent router-view
  //       name: 'Menu1',
  //       meta: { title: 'Menu1' },
  //       children: [
  //         {
  //           path: 'menu1-1',
  //           component: () => import('@/views/nested/menu1/menu1-1'),
  //           name: 'Menu1-1',
  //           meta: { title: 'Menu1-1' }
  //         },
  //         {
  //           path: 'menu1-2',
  //           component: () => import('@/views/nested/menu1/menu1-2'),
  //           name: 'Menu1-2',
  //           meta: { title: 'Menu1-2' },
  //           children: [
  //             {
  //               path: 'menu1-2-1',
  //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-1'),
  //               name: 'Menu1-2-1',
  //               meta: { title: 'Menu1-2-1' }
  //             },
  //             {
  //               path: 'menu1-2-2',
  //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-2'),
  //               name: 'Menu1-2-2',
  //               meta: { title: 'Menu1-2-2' }
  //             }
  //           ]
  //         },
  //         {
  //           path: 'menu1-3',
  //           component: () => import('@/views/nested/menu1/menu1-3'),
  //           name: 'Menu1-3',
  //           meta: { title: 'Menu1-3' }
  //         }
  //       ]
  //     },
  //     {
  //       path: 'menu2',
  //       component: () => import('@/views/nested/menu2/index'),
  //       meta: { title: 'menu2' }
  //     }
  //   ]
  // },

  // {
  //   path: 'external-link',
  //   component: Layout,
  //   children: [
  //     {
  //       path: 'https://panjiachen.github.io/vue-element-admin-site/#/',
  //       meta: { title: 'External Link', icon: 'link' }
  //     }
  //   ]
  // }
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  // {
  //   path: '/permission',
  //   component: Layout,
  //   redirect: '/permission/page',
  //   alwaysShow: true, // will always show the root menu
  //   name: 'Permission',
  //   meta: {
  //     title: 'Permission',
  //     icon: 'lock',
  //     roles: ['admin', 'normal'] // you can set roles in root nav
  //   },
  //   children: [
  //     {
  //       path: 'page',
  //       component: () => import('@/views/permission/page'),
  //       name: 'PagePermission',
  //       meta: {
  //         title: 'Page Permission',
  //         roles: ['admin'] // or you can only set roles in sub nav
  //       }
  //     },
  //     {
  //       path: 'directive',
  //       component: () => import('@/views/permission/directive'),
  //       name: 'DirectivePermission',
  //       meta: {
  //         title: 'Directive Permission'
  //         // if do not set roles, means: this page does not require permission
  //       }
  //     },
  //     {
  //       path: 'role',
  //       component: () => import('@/views/permission/role'),
  //       name: 'RolePermission',
  //       meta: {
  //         title: 'Role Permission',
  //         roles: ['admin']
  //       }
  //     }
  //   ]
  // },
  {
    path: '/admin',
    component: Layout,
    redirect: '/admin/studentList',
    name: 'studentList',
    meta: {
      title: 'studentList',
      icon: 'nested',
      roles: ['admin']
    },
    children: [
      {
        path: 'studentList',
        name: 'studentList',
        component: () => import('@/views/admin/studentList'),
        meta: { title: 'studentList', noCache: true }
      }
    ]
  },
  {
    path: '/admin',
    component: Layout,
    redirect: '/admin/teacherList',
    name: 'teacherList',
    meta: {
      title: 'teacherList',
      icon: 'nested',
      roles: ['admin']
    },
    children: [
      {
        path: 'teacherList',
        name: 'teacherList',
        component: () => import('@/views/admin/teacherList'),
        meta: { title: 'teacherList', noCache: true }
      }
    ]
  },
  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/classList',
    name: 'classList',
    meta: {
      title: 'classList',
      icon: 'nested',
      roles: ['admin', 'teacher']
    },
    children: [
      {
        path: 'classList',
        name: 'classList',
        component: () => import('@/views/teacher/classList'),
        meta: { title: 'classList', noCache: true }
      }
    ]
  },
  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/studentManagement',
    name: 'studentManagement',
    meta: {
      // title: 'studentManagement',
      // icon: 'nested',
      roles: ['admin', 'teacher']
    },
    children: [
      {
        path: 'studentManagement',
        name: 'studentManagement',
        component: () => import('@/views/teacher/classList/studentManage')
        // meta: { title: 'studentManagement', noCache: true }
      }
    ]
  },
  // {
  //   path: '/teacher',
  //   component: Layout,
  //   redirect: '/teacher/addTest',
  //   name: 'addTest',
  //   meta: {
  //     title: 'addTest',
  //     icon: 'nested',
  //     roles: ['admin', 'teacher']
  //   },
  //   children: [
  //     {
  //       path: 'addTest',
  //       name: 'addTest',
  //       component: () => import('@/views/teacher/classList/addTest'),
  //       meta: { title: 'addTest', noCache: true }
  //     }
  //   ]
  // },
  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/testAnalysis',
    name: 'testAnalysis',
    meta: {
      // title: 'testAnalysis',
      // icon: 'nested',
      roles: ['admin', 'teacher']
    },
    children: [
      {
        path: 'testAnalysis',
        name: 'testAnalysis',
        component: () => import('@/views/teacher/classList/testAnalysis')
        // meta: { title: 'testAnalysis', noCache: true }
      }
    ]
  },
  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/testManage',
    name: 'testManage',
    meta: {
      // title: 'testManage',
      // icon: 'nested',
      roles: ['admin', 'teacher']
    },
    children: [
      {
        path: 'testManage',
        name: 'testManage',
        component: () => import('@/views/teacher/classList/testManage')
        // meta: { title: 'testManage', noCache: true }
      }
    ]
  },
  {
    path: '/student',
    component: Layout,
    redirect: '/student/classList',
    name: 'classList',
    meta: {
      title: 'classList',
      icon: 'nested',
      roles: ['student']
    },
    children: [
      {
        path: 'classList',
        name: 'classList',
        component: () => import('@/views/student/classList'),
        meta: { title: 'classList', noCache: true }
      }
    ]
  },
  {
    path: '/student',
    component: Layout,
    redirect: '/student/testList',
    name: 'testList',
    meta: {
      // title: 'testList',
      // icon: 'nested',
      roles: ['student']
    },
    children: [
      {
        path: 'testList',
        name: 'testList',
        component: () => import('@/views/student/testList')
        // meta: { title: 'testList', noCache: true }
      }
    ]
  },
  {
    path: '/student',
    component: Layout,
    redirect: '/student/test',
    name: 'test',
    meta: {
      // title: 'test',
      // icon: 'nested',
      roles: ['student']
    },
    children: [
      {
        path: 'test',
        name: 'test',
        component: () => import('@/views/student/test')
        // meta: { title: 'test', noCache: true }
      }
    ]
  },
  // {
  //   path: '/error',
  //   component: Layout,
  //   redirect: 'noRedirect',
  //   name: 'ErrorPages',
  //   meta: { title: 'Error Pages', icon: '404' },
  //   children: [
  //     {
  //       path: '401',
  //       name: 'Page401',
  //       component: () => import('@/views/error-page/401'),
  //       meta: { title: '401', noCache: true }
  //     },
  //     {
  //       path: '404',
  //       name: 'Page404',
  //       component: () => import('@/views/error-page/404'),
  //       meta: { title: '404', noCache: true }
  //     }
  //   ]
  // },

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
